Emanuele
Hanazono (Flower garden): Many areoles but one flower on each areole
Hanaizumi (flower springs): Multiple flowers from one areole, normally 3 flowers
My super, right lower parts, 2 flowers from on areole

Doughnut-ibo
This plant is not mine but areole (ibo) shape is like doughnut shape.

simply amazing! i have never see this cultivar, can you tel me were i can find some seeds of this cultivar? is realy beautiful and i have no news of this cv in italy! and i'm part of the italian astromaniac comunity on web(i means the varius forum and web board votated or not to astrophytum)

Emanuele
I could see Hanaizumi in 2008/2009 seed list of Arizona Cactus Garden in Australia but could not see in 2009/2010 list.
He normally gets seeds from Europe and so you can buy in Europe, I think.

Doughnut ibo kabut has not been in market and you can not buy seeds.

Hanazono